JPH0271055A - Compressed air energy storage system - Google Patents
Compressed air energy storage systemInfo
- Publication number
- JPH0271055A JPH0271055A JP22247688A JP22247688A JPH0271055A JP H0271055 A JPH0271055 A JP H0271055A JP 22247688 A JP22247688 A JP 22247688A JP 22247688 A JP22247688 A JP 22247688A JP H0271055 A JPH0271055 A JP H0271055A
- Authority
- JP
- Japan
- Prior art keywords
- air
- compressed air
- heat
- compressed
- turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 title claims description 14
- 238000005338 heat storage Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 101000618467 Hypocrea jecorina (strain ATCC 56765 / BCRC 32924 / NRRL 11460 / Rut C-30) Endo-1,4-beta-xylanase 2 Proteins 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、余剰エネルギーを圧縮空気の形で貯蔵し、必
要に応じて圧縮空気を取出しそのエネルギーを利用する
圧縮空気エネルギー貯蔵システムに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a compressed air energy storage system that stores surplus energy in the form of compressed air and extracts the compressed air as needed to utilize the energy.
丈來艮亙
深夜電力等の余剰エネルギーを貯蔵し、昼間等の必要な
時期に取出して利用するエネルギー貯蔵システムの一環
として、余剰エネルギーで圧縮した空気を空気貯槽に貯
え、必要に応じて空気貯槽より圧縮空気を取出し、その
エネルギーを利用する圧縮空気エネルギー貯蔵システム
が内外で研究開発されたいる。As part of an energy storage system that stores surplus energy such as late-night electricity and extracts it for use during the day or other necessary times, air compressed with surplus energy is stored in an air storage tank, and the air storage tank is used as needed. Compressed air energy storage systems that extract compressed air and use its energy are being researched and developed at home and abroad.
第２図は、圧縮空気エネルギー貯蔵システムの１例の概
略構成を示す図で、空気貯槽１は、貯蔵する圧縮空気の
圧力に相当する深度Ｈの海底２に設置され、貯槽壁の底
部付近に外海に通ずる開口１ａが設けられ貯槽内の空気
の圧力を常に一定に保持するようにされており、頂部か
ら海上又は陸上迄空気管３が配設されている。空気管３
は上端で２つに分岐し、その一方には、余剰エネルギー
例えば深夜電力により運転されるモータ（ドライバー）
４により開動される空気圧縮機５より吐出される圧縮空
気の送出し管６がバルブ７を介して接続されている。FIG. 2 is a diagram showing a schematic configuration of an example of a compressed air energy storage system, in which an air storage tank 1 is installed on the seabed 2 at a depth H corresponding to the pressure of the compressed air to be stored, and near the bottom of the storage tank wall. An opening 1a communicating with the open sea is provided to keep the pressure of the air in the tank constant at all times, and an air pipe 3 is provided from the top to the sea or land. air pipe 3
branches into two at the upper end, and one side has a motor (driver) driven by surplus energy, such as late-night electricity.
A delivery pipe 6 for compressed air discharged from an air compressor 5 which is opened and operated by a valve 7 is connected thereto.
分岐管の他方には、発電機８を卵動する空気タービン９
への圧縮空気を海底の空気貯槽１より取出して送り込む
圧縮空気取出し管１０がバルブ１１を介して接続されて
いる。On the other side of the branch pipe, there is an air turbine 9 that drives a generator 8.
A compressed air take-off pipe 10 is connected via a valve 11 to take out compressed air from an air storage tank 1 on the seabed and send it there.
ところで、空気圧縮機５より吐出される圧縮空気は断熱
圧縮されることにより高温になるので、従来より圧縮空
気送り出し管６には冷却器ＥＸ−１を設けているが、回
収された熱は利用されることなく放棄されていた。By the way, since the compressed air discharged from the air compressor 5 becomes high temperature due to adiabatic compression, the compressed air delivery pipe 6 is conventionally provided with a cooler EX-1, but the recovered heat cannot be used. It had been abandoned without being abandoned.
一方、空気タービン９の出口空気は断熱膨張することに
より冷却されるので、この部分の材質、装置は冷却に耐
えるものとすることが必要であり、又、水分が凝縮、凝
結することにより種々の障害の原因となっていた。On the other hand, since the outlet air of the air turbine 9 is cooled by adiabatic expansion, the material and equipment of this part must be able to withstand cooling. It was causing a problem.
明が解決しようとする課題
本発明は、従来提案されている圧縮空気エネルギー貯蔵
システムの上記の問題点にかんがみ、熱効率が高く、空
気タービン出口空気の冷却による諸問題の発生を防止し
た圧縮空気エネルギー貯蔵システムを提供することを課
題とする。SUMMARY OF THE INVENTION In view of the above-mentioned problems of conventionally proposed compressed air energy storage systems, the present invention provides a compressed air energy storage system that has high thermal efficiency and prevents various problems caused by cooling air at the outlet of an air turbine. The objective is to provide a storage system.
”のための
本発明は、上記の課題を解決させるため、余剰エネルギ
ーで空気圧縮機を運転し、圧縮空気送出し管を経て空気
貯槽に送り込み貯溜し、必要に応じて該空気貯槽より圧
縮空気を取出し管を経て空気タービンに送り空気タービ
ンを運転してエネルギーを回収する圧縮空気エネルギー
貯蔵システムにおいて、
上記圧縮空気送り出し管の空気圧縮機吐出口近傍に設け
られ送り出し管内を流れる圧縮空気より熱エネルギーを
回収する熱エネルギー回収手段、該熱エネルギー回収手
段により回収された熱を蓄える蓄熱手段、
上記圧縮空気取り出し管の空気タービンの空気送入口近
傍に設けられ、上記蓄熱手段に蓄えられた熱により上記
圧縮空気取り出し管内を流れる圧縮空気を加熱する加熱
手段を有することを特徴とする。In order to solve the above problems, the present invention operates an air compressor with surplus energy, sends and stores compressed air to an air storage tank through a compressed air delivery pipe, and extracts compressed air from the air storage tank as needed. In a compressed air energy storage system in which energy is recovered by sending air to an air turbine through a take-out pipe and operating the air turbine, the compressed air is installed near the air compressor discharge port of the compressed air delivery pipe and heat energy is collected from the compressed air flowing inside the delivery pipe. a thermal energy recovery means for recovering the heat; a heat storage means for storing the heat recovered by the thermal energy recovery means; a heat storage means provided near the air inlet of the air turbine of the compressed air extraction pipe; It is characterized by having a heating means for heating the compressed air flowing inside the compressed air extraction pipe.
作 川−
本発明の圧縮空気エネルギー貯蔵システムは、上記の如
き構成であるから、空気圧縮機で圧縮された空気の熱は
熱エネルギー回収手段により回収され蓄熱手段に蓄熱さ
れ、蓄熱された熱エネルギーは空気タービン運転時取出
されて、空気タービンの入口空気を加熱し、これによっ
て空気タービンから吐出される空気の温度を上昇させ、
冷却空気に起因する諸問題を回避することができるとと
もに熱を無駄に捨てることなく、熱効率を向上させるこ
とができる。Sakukawa - Since the compressed air energy storage system of the present invention has the above configuration, the heat of the air compressed by the air compressor is recovered by the thermal energy recovery means and stored in the heat storage means, and the stored thermal energy is is extracted during operation of the air turbine and heats the inlet air of the air turbine, thereby increasing the temperature of the air discharged from the air turbine;
Various problems caused by cooling air can be avoided, and thermal efficiency can be improved without wasting heat.
寒五貫
以下、本発明の実施例を図面に基づいて詳細に説明する
。Below, embodiments of the present invention will be described in detail based on the drawings.
第１図は、本発明を第２図で説明した圧縮空気エネルギ
ー貯蔵システムに適用した実施例を示す図である。した
がって、同一の機能を有する部材には同一の符号を付し
て説明する。FIG. 1 is a diagram showing an embodiment in which the present invention is applied to the compressed air energy storage system described in FIG. 2. Therefore, members having the same functions will be described with the same reference numerals.
この実施例では、空気圧縮機５からの圧縮空気送出し管
６に冷却器ＥＸ−１を設けるだけでなく、空気タービン
９への圧縮空気を送る空気取出管１０に加熱器ＥＸ−２
が設けられており、冷却器ＥＸ−１及び加熱器ＥＸ−２
で圧縮空気と熱交換を行なう流体の管は１つの蓄熱器１
２に接続され、冷却器ＥＸ−１で圧縮空気より回収され
た熱が蓄熱器１２に蓄熱され、蓄熱器１２に貯えられた
熱が加熱器ＥＸ−２に取出されて圧縮空気を加熱できる
ようになっている。In this embodiment, not only a cooler EX-1 is provided in the compressed air delivery pipe 6 from the air compressor 5, but also a heater EX-2 is provided in the air take-out pipe 10 that sends compressed air to the air turbine 9.
are provided with a cooler EX-1 and a heater EX-2.
The fluid pipes that exchange heat with the compressed air are one heat storage device 1.
2, the heat recovered from the compressed air by the cooler EX-1 is stored in the heat storage device 12, and the heat stored in the heat storage device 12 is taken out to the heater EX-2 to heat the compressed air. It has become.
この実施例では蓄熱器１２はフロート１３で熱媒体貯溜
空間を上下２室に区分し、上室に高温液を、下室に低温
液を貯溜するようにした竪型顕熱蓄熱槽が採用されてい
るが、蓄熱器の型式はこれに限られるものではなく、２
槽弐顕熱蓄熱器、スチームアキュムレータ、潜熱蓄熱器
等、公知の種々のものを使用することができ、要するに
冷却器ＥＸ−１で回収した熱エネルギーを蓄熱し、空気
タービン運転時にその熱エネルギーを加熱器ＥＸ−２で
圧縮空気に与えるようになっておればよい。In this embodiment, the heat storage device 12 is a vertical sensible heat storage tank in which the heat medium storage space is divided into two upper and lower chambers by a float 13, and the upper chamber stores high temperature liquid and the lower chamber stores low temperature liquid. However, the type of heat storage device is not limited to this.
Various known heat storage devices such as a tank 2 sensible heat storage device, a steam accumulator, a latent heat storage device, etc. can be used.In short, the thermal energy recovered by the cooler EX-1 is stored, and the thermal energy is used when the air turbine is operating. It is sufficient that the compressed air is supplied to the heater EX-2.
このようにすることにより、熱を捨てることなく有効に
利用して熱効率が向」ニすると同時に空気タービンから
の排気温度の低下による障害を防止することができる。By doing so, it is possible to effectively utilize heat without wasting it, improve thermal efficiency, and at the same time prevent troubles due to a drop in exhaust gas temperature from the air turbine.
なお、冷却器ＥＸ−１と弁７及び加熱器ＥＸ−２と弁１
１の夫々の間に水蒸気のトラップを設は圧縮空気中の水
蒸気を除去するようにすれば、管内及び機器内の水分の
凝縮に起因する障害の防止に効果がある。In addition, cooler EX-1 and valve 7 and heater EX-2 and valve 1
If a water vapor trap is installed between each of the pipes and equipment to remove water vapor from the compressed air, it is effective to prevent troubles caused by water condensation inside the pipes and equipment.
なお、蓄熱器１２に蓄えられた熱は空気タービン入口空
気の加熱以外の種々の目的に使用することも可能である
。Note that the heat stored in the heat storage device 12 can also be used for various purposes other than heating the air at the air turbine inlet.
又、空気貯槽は、海底に設は海水の圧力で一定圧力を保
持する型式に限定されるものではなく、定容積型の圧力
変動するものでもよい。Further, the air storage tank is not limited to a type that is installed on the seabed and maintains a constant pressure using seawater pressure, but may be a type that has a constant volume and whose pressure fluctuates.
Ｌ過
以上の如く、本発明によれば、空気圧縮機で圧縮した空
気を空気貯槽に貯え、その圧縮空気で空気タービンを駆
動してエネルギーを回収する圧縮空気エネルギー貯蔵シ
ステムの熱効率を向上させ。As described above, the present invention improves the thermal efficiency of a compressed air energy storage system that stores air compressed by an air compressor in an air storage tank and uses the compressed air to drive an air turbine to recover energy.
かつ空気タービン出口空気の冷却に起因する障害の防止
に効果が得られる。Moreover, it is effective in preventing troubles caused by cooling of the air at the air turbine outlet.
第１図は本発明の実施例の構成を示す系統図、第２図は
従来提案されている圧縮空気エネルギー貯蔵システムの
１例の構成を示す系統図である。
１・・・空気貯槽 ３・・・空気管４・・モータ
５・・・空気圧縮機６・・・圧縮空気送り出し管
８・・・発電機 ９・・・空気タービン１０・・・
圧縮空気取出し管
１２・・・蓄熱器
ＥＸ−１・・・冷却部 ＥＸ−２・・加熱器筒 １
図FIG. 1 is a system diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is a system diagram showing the configuration of an example of a conventionally proposed compressed air energy storage system. 1...Air storage tank 3...Air pipe 4...Motor
5... Air compressor 6... Compressed air delivery pipe 8... Generator 9... Air turbine 10...
Compressed air take-off pipe 12...Regenerator EX-1...Cooling section EX-2...Heater tube 1
figure
Claims (1)
空気送出し管を経て空気貯槽に送り込み貯溜し、必要に
応じて該空気貯槽より圧縮空気を取出し管を経て空気タ
ービンに送り空気タービンを運転してエネルギーを回収
する圧縮空気エネルギー貯蔵システムにおいて、 上記圧縮空気送り出し管の空気圧縮機吐出口近傍に設け
られ送り出し管内を流れる圧縮空気より熱エネルギーを
回収する熱エネルギー回収手段、該熱エネルギー回収手
段により回収された熱を蓄える蓄熱手段、 上記圧縮空気取り出し管の空気タービンの空気送入口近
傍に設けられ、上記蓄熱手段に蓄えられた熱により上記
圧縮空気取り出し管内を流れる圧縮空気を加熱する加熱
手段 を有することを特徴とする圧縮空気エネルギー貯蔵シス
テム。[Claims] An air compressor is operated using surplus energy, compressed air is sent to an air storage tank through a compressed air delivery pipe and stored therein, and when necessary, compressed air is taken out from the air storage tank and sent through a pipe to an air turbine. In a compressed air energy storage system in which energy is recovered by operating an air turbine to be sent to a compressor, a thermal energy recovery means is provided near an air compressor discharge port of the compressed air delivery pipe and recovers thermal energy from compressed air flowing within the delivery pipe. , a heat storage means for storing the heat recovered by the thermal energy recovery means, a compressor provided in the vicinity of the air inlet of the air turbine of the compressed air take-off pipe, and the compressed air flowing through the compressed air take-off pipe due to the heat stored in the heat storage means; A compressed air energy storage system, characterized in that it has heating means for heating air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22247688A JPH0271055A (en) | 1988-09-07 | 1988-09-07 | Compressed air energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22247688A JPH0271055A (en) | 1988-09-07 | 1988-09-07 | Compressed air energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0271055A true JPH0271055A (en) | 1990-03-09 |
Family
ID=16783017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22247688A Pending JPH0271055A (en) | 1988-09-07 | 1988-09-07 | Compressed air energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0271055A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012020234A3 (en) * | 2010-08-12 | 2012-09-27 | Highview Enterprises Limited | Integration of an energy storage device with a separate thermal process |
| JP2018115482A (en) * | 2017-01-18 | 2018-07-26 | 有限会社手島通商 | Tsunami mass transport energy relaxation device |
| CN116241436A (en) * | 2023-03-17 | 2023-06-09 | 中国电力工程顾问集团中南电力设计院有限公司 | Compressed air energy storage system and method for constant-parameter operation of all-weather compressor inlet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63208627A (en) * | 1987-02-26 | 1988-08-30 | Mitsubishi Heavy Ind Ltd | Air storage type gas turbine device |
-
1988
- 1988-09-07 JP JP22247688A patent/JPH0271055A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63208627A (en) * | 1987-02-26 | 1988-08-30 | Mitsubishi Heavy Ind Ltd | Air storage type gas turbine device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012020234A3 (en) * | 2010-08-12 | 2012-09-27 | Highview Enterprises Limited | Integration of an energy storage device with a separate thermal process |
| US9377247B2 (en) | 2010-08-12 | 2016-06-28 | Highview Enterprises Limited | Integration of an energy storage device with a separate thermal process |
| JP2018115482A (en) * | 2017-01-18 | 2018-07-26 | 有限会社手島通商 | Tsunami mass transport energy relaxation device |
| CN116241436A (en) * | 2023-03-17 | 2023-06-09 | 中国电力工程顾问集团中南电力设计院有限公司 | Compressed air energy storage system and method for constant-parameter operation of all-weather compressor inlet |
| CN116241436B (en) * | 2023-03-17 | 2024-04-16 | 中国电力工程顾问集团中南电力设计院有限公司 | Compressed air energy storage system and method for constant-parameter operation of all-weather compressor inlet |
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